Fix a situation where hw.cpufrequency was available in the simulator, resulting in behavior that sometimes worked, sometimes failed.
Fix a situation where hw.cpufrequency was available in the simulator, resulting in behavior that sometimes worked, sometimes failed.

monyschuk/CwlSignal,mattgallagher/CwlSignal,MomentaBV/CwlUtils,mattgallagher/CwlSignal,MomentaBV/CwlUtils